Any feedback?
Please rate this page
(literature.php)
(0/150)

BRENDA support

Literature summary for 2.4.2.1 extracted from

  • Moyer, T.P.; Fischer, A.G.
    Purification and characterization of a purine-nucleoside phosphorylase from bovine thyroid (1976), Arch. Biochem. Biophys., 174, 622-629.
    View publication on PubMed

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.022
-
guanosine
-
Bos taurus
0.027
-
deoxyguanosine
-
Bos taurus
0.027
-
deoxyinosine
-
Bos taurus
0.028
-
Inosine
-
Bos taurus
0.095
-
Xanthosine
-
Bos taurus
0.13
-
adenosine
-
Bos taurus
0.145
-
deoxyadenosine
-
Bos taurus

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
90000
-
gel filtration Bos taurus

Organism

Organism UniProt Comment Textmining
Bos taurus
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Bos taurus

Source Tissue

Source Tissue Comment Organism Textmining
thyroid gland
-
Bos taurus
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
4.55
-
-
Bos taurus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
adenosine + phosphate
-
Bos taurus adenine + alpha-D-ribose 1-phosphate
-
?
deoxyadenosine + phosphate
-
Bos taurus alpha-D-ribose 1-phosphate + adenine
-
?
deoxyguanosine + phosphate
-
Bos taurus guanine + alpha-D-deoxyribose 1-phosphate
-
?
deoxyinosine + phosphate
-
Bos taurus hypoxanthine + alpha-D-deoxyribose 1-phosphate
-
r
guanosine + phosphate
-
Bos taurus guanine + alpha-D-ribose 1-phosphate
-
?
inosine + phosphate
-
Bos taurus hypoxanthine + alpha-D-ribose 1-phosphate
-
?
xanthosine + phosphate
-
Bos taurus alpha-D-ribose 1-phosphate + xanthine
-
?

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7
-
-
Bos taurus